• Even a highly effective vaccine will need to be supported by the simultaneous use of drugs, vector control, good monitoring and evaluation, and well-performing health systems.

    即使是非常有效疫苗需要同时配合使用药物,开展病媒控制,进行良好监测评价以及有一个运转良好的卫生系统

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  • The principal objective of vector control is the reduction of malaria morbidity and mortality by reducing the levels of transmission.

    媒介控制主要目标通过降低传播水平降低发病率死亡率

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  • Coordinate and synergize vector control activities lead by the pan African Tsetste and Trypanosomosis Eradication Campaign of the Africa Union.

    协调协同加强非洲联盟泛非消灭采采蝇和锥虫病运动带头开展控制活动

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  • The only known samples of the virus are stored in two secure laboratories approved by WHO (Centers for Disease Control and Prevention, Atlanta, USA and Vector, Kostsovo, Russian Federation).

    已知仅有病毒样本储存在世卫组织批准两个安全实验室美国亚特兰大的疾病预防控制中心俄罗斯联邦科尔索沃的病毒生物技术研究中心)。

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  • Vector control is by far our most important tool for preventing malaria.

    病媒控制迄今为止我们预防疟疾重要工具

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  • By decoupling between the magnetizing current and the torque current, the vector control strategy of induction machines can achieve excellent dynamic performances.

    异步电机矢量控制由于实现励磁电流矩电流耦控制而具有优良的动态性能。

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  • Utilizing piecewise continuous vector Lyapunov function, the practical stabilization of control systems with fixed moments of impulse effects by establishing a new comparison result is considered.

    借助于向量李雅谱诺夫函数通过建立一个新的比较结果研究具有固定时刻脉冲控制系统实际稳定性

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  • The thrust vector control was performed by gas jet.

    推力矢量控制燃气喷口实现

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  • This paper proposes a new method of sensorless vector control for induction motors, in which the motor speed is estimated by both instantaneous reactive power and variation of magnetizing current.

    提出一种异步电机速度传感器矢量控制方法瞬时无功功率励磁电流变化来估计电机转速

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  • Then a vector control method with speed closed-loop and magnetic linkage closed loops put forward, which is based on the constant velocity by means of stator flux-oriented vector control.

    基于定子磁场定向矢量控制线运行控制方案基础提出了一个速度闭环闭环的矢量控制方案

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  • The maximum available power is obtained by the optimum current vector control considering the converter capacity and the losses of generator.

    风力机大功率点跟踪方式运行,在考虑发电机损耗变频器容量前提下,通过最优化电流矢量控制获得最大输出功率

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  • This paper discusses a new control tactics of the converter which adopt voltage vector optimum control tactics by predicting the current of high power factor converter.

    通过功率因数变流器网侧指令和实际电流预测,提出了采用变流器电压矢量优化控制策略的电流跟踪新方案。

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  • The control signals of invertor are produced by space vector modulation to achieve a small torque ripple and constant switch frequency.

    空间矢量调制方法获得逆变开关信号实现转矩脉动恒定的开关频率

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  • The main four-chamber engines designed by V. P. Glushko and new control engines from s. P. Korolev for controlling the thrust vector were installed in these units.

    这些子级上安装瓦·彼·格鲁什科设计的四推力发动机谢·帕·科罗廖夫设计用来控制推力矢量新型姿态控制发动机。

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  • The article describes the vector control mode, coordinate transformation, speed and current control etc. The features above have been proved by overload experimental running.

    叙述矢量控制方式坐标变换速度电流控制通过负载试验运行结果证明了这种变频器的特点

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  • In the system with little tension fluctuation and numeric, by compensating the reeling in and out rate, adopting vector close-loop control can get better effects.

    张力波动范围窄、张力数值较小的控制系统中,采用矢量闭环控制,通过放卷速度补偿收到较好的效果。

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  • The continuous rotating magnet field is transformed into discrete step field in the torque vector control and the electromagnet torque is controlled by means of regulating the stator current.

    控制过程中将连续旋转磁场离散为磁场,通过控制电机定子电流实现对电磁转矩控制

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  • Aiming at the problem of difficult system identification modeling for control system, an identification modeling system was designed for control system by using support vector regression (SVR).

    针对非线性控制系统辨识建模较为困难问题利用回归支持向量机(SVR)设计一例控制系统的辨识建模系统。

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  • The vector control can be easily realized and reliable by using industrial PC control. The system has good performance.

    采用工控PC机控制,使矢量控制思想易于实现工作可靠系统具有良好性能

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  • Thrust vector control is often achieved by throttling individual thrusters or by injecting gas through the nozzle wall to cause a change in the local pressure distribution.

    推力矢量控制往往取得节流个别推力器注入气体通过喷嘴造成变化当地压力分布。

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  • On the base of traditional vector control, the improving excitation system is established by importing the dynamic change in network voltage and state flux current.

    基础上,对励磁系统加以改进,将电网电压等效定子磁场电流动态变化引入系统考虑电网波动情况下建立了风力发电励磁控制系统。

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  • By measuring the thrust and lateral forces of solid rocket motor during firing conditions, the thrust vector control performances of jet TAB TVC and movable nozzle TVC were studied.

    通过测量固体火箭发动机水下工作过程中的推力侧向,研究了扰流片和摆喷管两种推力矢量方式的水下推力矢量特性

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  • Based on the construction pattern and the control principle of stepmotor, fractional step Angle control of stepmotor is achieved by PWM Phase Vector Cornposition.

    本文根据进电视结构控制原理,提出一种PWM矢量合成分数步距控制方案。

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  • In this paper, the control points are calculated based on the curve or surface's data points and the knot vector which is calculated with four kinds of parameterization by the method of NURBS.

    文中根据曲线曲面,分别参数方法构造节点矢量,利用NURBS方法反控制点

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  • The relationships between gyro output angular velocities and the distribution of motor control signals are analyzed by means of the space vector decomposition theory.

    利用空间矢量分解理论分析了陀螺输出角速度信号投影关系电机控制信号分配

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  • A stator voltage space vector forecast CRPWM control method based on uncoupled arithmetic is proposed by analyzing improved induction motor mathematics model. Control strategies are presented.

    根据改进电动机模型,推导出一种基于算法定子电压空间矢量预测CRPWM控制方案,给出其控制策略

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  • In addition, the motor's speed problem is solved by Space vector frequency speed regulating. The type 6sx7023-4ec61 transducer is applied to control the speed of the motor effectively.

    此外,借助于空间矢量交流变频调速技术,相应采用6sx7023 - 4ec61变频器,有效地控制钢机小车行驶速度

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  • The 156 patients with CHD or suspicious CHD and 113 normal control persons were examined by vector cardiogram, treadmill exercise testing and electrocardiogram.

    156诊断为冠心病疑似冠心病患者113例正常对照进行普通心电运动心电和心电向量检查。

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  • Advanced agile missiles possess maneuverability, agility and accurate guidance performance by adopting thruster vector control or reaction control system thruster.

    新型精确制导导弹为了获得更大的机动性敏捷性更高的命中精度,大多采用推力矢量控制反作用推力控制。

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  • In this paper, a sliding mode control algorithm based on the PMSM vector control has been proposed, and the effectiveness of the design verified by simulation.

    本文主要在永磁同步电机矢量控制基础提出种负载扭矩滑模控制算法进行仿真验证设计有效性

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